Alert archive / Florida / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 99, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Aug 15, 1992, 3:35 PM EDT for Volusia County, Florida. It was in force for 40 min.
The area
The counties it named.
The facts
- Issued
- Aug 15, 1992, 3:35 PM EDT (19:35 UTC)
- Expired
- Aug 15, 1992, 4:15 PM EDT
- In force
- 40 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Volusia County, FL
The radar
The Melbourne radar (KMLB), 116 km from the middle of the area, began a volume at 19:36 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Jacksonville, FL (KAYS), launched 12:00Z, 7.6 hours before the alert went out and 168 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 96 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 628 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDAB 151950 SVRDAB FLC127-152015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE DAYTONA BEACH FL 335 PM EDT SAT AUG 15 1992 THE NATIONAL WEATHER SERVICE IN DAYTONA BEACH HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 415 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL FLORIDA...THE NORTH HALF OF VOLUSIA COUNTY... AND FOR MARINE INTERESTS ON THE COASTAL WATERS FROM PONCE INLET TO THE FLAGLER COUNTY LINE... ..SEVERE THUNDERSTORM MOVING NORTHEAST NEAR HIGHWAY 92 TOWARD DAYTONA BEACH AND ORMOND BEACH... AT 317 PM EDT DELAND SKYDIVE RECEIVED A WIND GUST TO 57 MPH AT THE THE DELAND AIRPORT. NATIONAL WEATHER SERVICE RADAR CONTINUED TO STRONG THUNDERSTORMS FROM HIGHWAY 92 TO NEAR SR 40. THESE STORMS WERE MOVING TOWARD THE NORTHEAST AT AROUND 20 MPH. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS. AS THE THUNDERSTORMS MOVE OUT OVER THE COASTAL WATERS...BOATERS IN THE THREATENED AREA CAN EXPECT STRONG WINDS...ROUGH SEAS AND LIGHTNING. BOATERS SHOULD TAKE NECESSARY ACTION TO AVOID THE DANGEROUS THUNDERSTORMS.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Aug 15, 1:57 PM EDT, 1 hour 38 minutes before
FLZ017-011-016-012-151900- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 157 PM EDT SAT AUG 15 1992 ...ANOTHER AFTERNOON OF STRONG THUNDERSTORMS IN STORE... ...FOR EAST CENTRAL FLORIDA... AT 155 PM ONLY A FEW SHOWERS AND THUNDERSTORMS HAD DEVELOPED OVER EAST CENTRAL FLORIDA...OVER NORTHWESTERN ORANGE COUNTY. THUNDERSTORMS WERE INCREASING FURTHER TO THE SOUTH FROM FT PIERCE...INLAND TO LAKE OKEECHOBEE AND THESE THUNDERSTORMS WERE MOVING TO THE NORTH AT ABOUT 20 MPH. OTHER THUNDERSTORMS WERE TO THE NORTH AND WEST... FROM AROUND PALATKA...TO ZEPHYRHILLS AND TO THE TAMPA BAY AREA AND THIS AREA OF ACTIVITY WAS MAKING ITS WAY TO THE EAST AT ABOUT 10 MPH. THESE TWO AREAS OF THUNDERSTORMS WERE CONVERGING ON EAST CENTRAL FLORIDA. THIS ALONG WITH NORMAL DEVELOPMENT OF THUNDERSTORMS DURING THE MID AFTERNOON WILL RESULT IN NUMEROUS THUNDERSTORMS OVER EAST CENTRAL FLORIDA BY 3 TO 4 PM. STRONG THUNDERSTORMS COULD HAPPEN MOST ANYWHERE AFTER 2PM BUT THE MOST LIKELY AREAS FOR THE FIRST THUNDERSTORMS WILL BE ALONG AND JUST INLAND OF THE COAST FROM VERO BEACH TO CAPE CANAVERAL...AND OVER LAKE COUNTY AND OTHER AREAS WEST OF THE ORLANDO METRO AREA. PEOPLE IN EAST CENTRAL FLORIDA THIS AFTERNOON SHOULD BE AWARE THAT THUNDERSTORMS COULD BECOME QUITE STRONG...PRODUCING VERY HEAVY RAIN...FREQUENT DANGEROUS LIGHTNING...STRONG GUSTY WINDS AND SOME SMALL HAIL. STAY TUNED TO NOAA WEATHER RADIO OR OTHER RELIABLE SOURCES OF WEATHER INFORMATION THIS AFTERNOON FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS. RG
Special weather statement, Aug 15, 2:48 PM EDT, 47 minutes before
FLZ017-011-016-012-151945- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 248 PM EDT SAT AUG 15 1992 ...STRONG THUNDERSTORMS OVER PARTS OF EAST CENTRAL FLORIDA... AT 245 PM THUNDERSTORMS HAD INCREASED FROM AROUND CLERMONT...WEST OF ORLANDO... NORTH ACROSS MUCH OF LAKE COUNTY TO THE OCALA NATIONAL FOREST AND TO NEAR THE COAST BETWEEN ORMOND BEACH AND ST AUGUSTINE. THIS ENTIRE AREA OF THUNDERSTORMS WAS MOVING TO THE NORTHEAST AT ABOUT 15 MPH. OTHER THUNDERSTORMS WERE WIDELY SCATTERED OVER EAST CENTRAL FLORIDA FROM FT PIERCE AND VERO BEACH NORTH TO THE CAPE CANAVERAL AREA. THUNDERSTORMS WILL BE ON THE INCREASE IN BOTH COVERAGE AND STRENGTH DURING THE NEXT FEW HOURS. PEOPLE IN EAST CENTRAL FLORIDA AND BOATERS ON THE ADJACENT COASTAL WATERS SHOULD BE ON THE LOOKOUT FOR APPROACHIN THUNDERSTORMS WHICH WILL LIKELY PRODUCE STRONG GUSTY WINDS...FREQUENT LIGHTNING STRIKES AND VERY HEAVY RAINFALL. ~ RG
Special weather statement, Aug 15, 2:49 PM EDT, 46 minutes before
FLZ012-152045- SPECIAL WEATHER STATEMENT. NATIONAL WEATHER SERVICE DAYTONA BEACH FL 245 PM EDT SAT AUG 15 1992 ...THIS STATEMENTS IS FOR FLAGLER COUNTY AND VOLUSIA COUNTY... STRONG THUNDERSTORMS STRETCHED FROM THE COAST NEAR FLAGLER BEACH SOUTHWEST TO DE LAND AND INTO LAKE COUNTY. THESE STORMS WERE PUSHING NORTHEAST AT 20 MPH. THESE THUNDERSTORMS WILL LIKELY PRODUCE STRONG AND GUSTY WINDS... DANGEROUS LIGHTNING...AND VERY HEAVY DOWNPOURS AS THEY SPREAD EAST AND TOWARD THE COASTLINE DURING THE AFTERNOON. THE SAFEST PLACE DURING A THUNDERSTORM IS INDOORS...AWAY FROM WINDOWS AND DOORS. MOTORISTS SHOULD BE CAUTIOUS FOR PONDING OF WATER ON THE ROADWAYS CAUSED BY THE VERY HEAVY DOWNPOURS AND NOT DRIVE THROUGH WATER OF UNKNOWN DEPTH.
Nearby
Severe Thunderstorm Warnings in Florida, 1992Every severe thunderstorm warning in 1992
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.